
Rev.2.00 Jan 30, 2006 Page 2 of 37
REJ03B0102-0200
R8C/14 Group, R8C/15 Group 1. Overview
1.2 Performance Overview
Table 1.1 lists the Performance Outline of the R8C/14 Group and Table 1.2 lists the Performance Outline
of the R8C/15 Group.
Table 1.1 Performance Outline of the R8C/14 Group
Item Performance
CPU Number of Basic Instructions 89 instructions
Minimum Instruction
Execution Time
50ns(f(XIN)=20MHz, VCC=3.0 to 5.5V)
100ns(f(XIN)=10MHz, VCC=2.7 to 5.5V)
Operating Mode Single-chip
Memory Space 1 Mbyte
Memory Capacity See Table 1.3 R8C/14 Group Product Information
Peripheral
Function
Port I/O port : 13 pins (including LED drive port),
Input : 2 pins
LED Drive Port I/O port: 4 pins
Timer Timer X: 8 bits × 1 channel, Timer Z: 8 bits × 1 channel
(Each timer equipped with 8-bit prescaler)
Timer C: 16 bits × 1 channel
(Circuits of input capture and output compare)
Serial Interface 1 channel
Clock synchronous serial I/O, UART
Chip-Select Clock
Synchronous Serial I/O
(SSU)
1 channel
A/D Converter 10-bit A/D converter: 1 circuit, 4 channels
Watchdog Timer 15 bits ×1 channel (with prescaler)
Reset start selectable, Count source protection mode
Interrupt Internal: 9 factors, External: 4 factors, Software: 4 factors,
Priority level: 7 levels
Clock Generation Circuit 2 circuits
• Main clock oscillation circuit (Equipped with a built-in
feedback resistor)
• On-chip oscillator (high speed, low speed)
Equipped with frequency adjustment function on high-
speed on-chip oscillator
Oscillation Stop Detection
Function
Main clock oscillation stop detection function
Voltage Detection Circuit Included
Power-On Reset Circuit Included
Electric
Characteristics
Supply Voltage VCC=3.0 to 5.5V (f(XIN)=20MHz)
VCC=2.7 to 5.5V (f(XIN)=10MHz)
Power Consumption Typ. 9mA (VCC=5.0V, f(XIN)=20MHz)
Typ. 5mA (VCC=3.0V, f(XIN)=10MHz)
Typ. 35µA (VCC=3.0V, wait mode, peripheral clock off)
Typ. 0.7µA (VCC=3.0V, stop mode)
Flash Memory Program/Erase Supply
Voltage
VCC=2.7 to 5.5V
Program/Erase Endurance 100 times
Operating Ambient Temperature -20 to 85°C
-40 to 85°C (D Version)
Package 20-pin plastic mold LSSOP
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